National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Overcast

55°F

13°C

Humidity 80%
Wind Speed SE 9 G 16 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 21 Aug 1:53 am AKDT
Extended Forecast for

13 Miles NNE Alyeska AK

  • Overnight

    Overnight: Showers likely. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Friday

    Friday: Scattered showers. Mostly cloudy, with a high near 45. Southeast wind around 10 mph. Chance of precipitation is 40%.

    High: 45 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.

    Low: 40 °F

    Scattered
    Showers

  • Saturday

    Saturday: Showers likely before 10am, then rain, mainly after 10am. High near 44. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 44 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 10pm, then scattered showers after 10pm. Low around 39. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 39 °F

    Rain then
    Scattered
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 51. Northwest wind around 5 mph.

    High: 51 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Monday Night

    Monday Night: Cloudy, with a low around 43.

    Low: 43 °F

    Cloudy

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%.
Friday
Scattered showers. Mostly cloudy, with a high near 45. Southeast wind around 10 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely before 10am, then rain, mainly after 10am. High near 44. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Saturday Night
Rain, mainly before 10pm, then scattered showers after 10pm. Low around 39. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 51. Northwest wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 54.
Monday Night
Cloudy, with a low around 43.
Tuesday
A chance of showers. Cloudy, with a high near 50.
Tuesday Night
A chance of showers. Cloudy, with a low around 43.
Wednesday
A chance of showers. Mostly cloudy, with a high near 51.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 41.
Thursday
A chance of showers. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 149°W (Elev. 4137 ft)
Last Update:
1:37 am AKDT Aug 21, 2026
Forecast Valid:
2am AKDT Aug 21, 2026-6pm AKDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation